How does a compound differ from a mixture? The components of a mixture are in a fixed ratio
The components of a compound are in a fixed ratio

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature